Question

Click the correct sentence structure.
Number of correct answers: 3
Many animal species has become extinct.
Many animal species have become extinct.
Many animal species have became extinct.
The problem of deforestation has not been solved yet.
The problem of deforestation has not solved yet.
The problem of deforestation has not been solve yet.
Already scientists have made a lot of medicines from rainforest plants.
Scientists already have made a lot of medicines from rainforest plants.
Scientists have already made a lot of medicines from rainforest plants.Click the correct sentence structure.
Number of correct answers: 3
Many animal species has become extinct.
Many animal species have become extinct.
Many animal species have became extinct.
The problem of deforestation has not been solved yet.
The problem of deforestation has not solved yet.
The problem of deforestation has not been solve yet.
Already scientists have made a lot of medicines from rainforest plants.
Scientists already have made a lot of medicines from rainforest plants.
Scientists have already made a lot of medicines from rainforest plants.​

Answer 1

Ответ:

Many animal species have become extinct.

The problem of deforestation has not been solved yet.

Scientists have already made a lot of medicines from rainforest plants.

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